Studies towards the synthesis of FCRR toxin: An expeditious entry into 7-5-6 ring systems via [5+2] oxidopyrylium-alkene cycloaddition

Tetrahedron Letters

Volumn 45, Issue 2, 2004, Pages 257-259

  Murali Krishna, U ^a   Trivedi, G K ^a  

^a INDIAN INSTITUTE OF TECHNOLOGY BOMBAY   (India)

Author keywords

FCRR toxin; Indene; Reductive cleavage; 5+2 Cycloaddition

Indexed keywords

ALKENE; DITERPENE; FCRR TOXIN; NATURAL PRODUCT; PLANT TOXIN; TOXIN; UNCLASSIFIED DRUG;

ADDITION REACTION; ARTICLE; CRYSTAL STRUCTURE; CYCLOADDITION; HYDROGENATION; INFRARED SPECTROSCOPY; MOLECULAR INTERACTION; PROTON NUCLEAR MAGNETIC RESONANCE; REDUCTION; STEREOCHEMISTRY; SYNTHESIS; X RAY ANALYSIS;

EID: 0346996547     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2003.10.185     Document Type: Article

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18. Crystallographic data (excluding structure factors) for the structure in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication number CCDC-176798. Copies of the data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK [fax: +44(0)-1223-336033 or e-mail: deposit@ccdc.cam.ac.uk ]. Selected bond lengths (Å) and bond angles (°): C(10)-O(1)=1.435(3), C(14)-O(1)=1.416(2), C(13)-O(2)=1.222(3), O(2)-C(13)-C(14)=120.7(3), O(2)-C(13)-C(12)=124.1(3), C(14)-O(1)-C(10)=102.61(15).
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